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This lesson from Illuminations uses the real world example of hanging chains to demonstrate how naturally occurring shapes relate to parabolic functions. Students will learn to substitute points on a graph into a...

This lesson from Illuminations uses growth charts for girls and boys to examine rates of change. The material uses slope to approximate the rate of change in height. Students will learn how to translate this data into a...

This lesson from Illuminations teaches students the features of sine and cosine graphs. Students use uncooked spaghetti to demonstrate the properties of the unit circle, which they will then represent with graphs. It is...

This unit from Illuminations includes three related mathematical lessons. The first lesson, "Number Representations," has students learn about converting decimal numbers to numerals. Students also learn about the...

This geometry lesson from Illuminations presents a real-world problem for students to solve with mathematical functions. The material involves constructing the circumcenter and incenter of a triangle. Learners will gain...